use shutil.move instead of os.rename

Fix #95

news/95.bugfix

+Fix a bug of moving files across different file system.

pdm/utils.py

@@ -437,7 +437,7 @@ def atomic_open_for_write(filename: Union[Path, str], *, encoding: str = "utf-8"
             os.unlink(filename)
         except OSError:
             pass
-        os.rename(name, filename)
+        shutil.move(name, filename)
 
 
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